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From: Anand Moon <linux.amoon@gmail.com>
To: Rob Herring <robh+dt@kernel.org>,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
	Jerome Brunet <jbrunet@baylibre.com>,
	Neil Armstrong <narmstrong@baylibre.com>,
	Kevin Hilman <khilman@baylibre.com>
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [RFC-next 1/1] arm64: dts: meson: odroid-c2: Enable SCPI DVFS for cpu
Date: Fri,  1 Nov 2019 14:31:26 +0000	[thread overview]
Message-ID: <20191101143126.2549-2-linux.amoon@gmail.com> (raw)
In-Reply-To: <20191101143126.2549-1-linux.amoon@gmail.com>

Enable System Control and Power Interface, DVFS for cpu
with setting 1.54 GHz as max freq in the initial SCPI tables
loaded by the BL2, i.e. packed with U-Boot.

Fixes: f7bcd4b6f698 (ARM64: dts: meson-gxbb-odroidc2: Disable SCPI DVFS)
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: Jerome Brunet <jbrunet@baylibre.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Suggested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
In discuss on other mailing list thread below.
[0] https://lkml.org/lkml/2019/8/30/186

Tested on mainline U-Boot 2019.07-1 (Aug 01 2019 - 23:58:01 +0000) Arch Linux ARM
on archlinux distro.
---
 arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
index 6ded279c40c8..9678784aa1a9 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
@@ -307,7 +307,7 @@
 };
 
 &scpi_clocks {
-	status = "disabled";
+	status = "okay";
 };
 
 /* SD */
-- 
2.23.0


  reply	other threads:[~2019-11-01 14:31 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-01 14:31 [RFC-next 0/1] Odroid C2: Enable DVFS for cpu Anand Moon
2019-11-01 14:31 ` Anand Moon [this message]
2019-12-09 22:12 ` Kevin Hilman
2019-12-10  8:43   ` Neil Armstrong
2019-12-10 14:50     ` Anand Moon
2019-12-10 18:13       ` Kevin Hilman
2019-12-10 20:04         ` Martin Blumenstingl
2019-12-10 21:47           ` Kevin Hilman
2019-12-11  8:49             ` Neil Armstrong
2019-12-12 20:09               ` Martin Blumenstingl
2019-12-13 11:28                 ` Anand Moon
2019-12-13 13:24                   ` Neil Armstrong
2019-12-13 14:23                     ` Anand Moon

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